Table 3 Total Phylogenetic Diversity richness (PD) per floristic factory realm of all the globally-listed alien grass species with respective invasive/naturalized status originated in each region.
Realm | Total factored species | Ratio of alien sps. | Phylogenetic diversity | ||||
|---|---|---|---|---|---|---|---|
Tot. | Nat. | Inv. | Nat. | Inv. | PDNat. | PDInv. | |
Palaearctic | 378 | 193 | 122 | 51 | 32.3 | 339.1 | 263.7 |
Nearctic | 245 | 109 | 26 | 44.4 | 10.9 | 236.7 | 114.4 |
Australasian | 270 | 64 | 42 | 23.7 | 15.1 | 164.1 | 129.1 |
Afrotropical | 150 | 45 | 23 | 30 | 15.3 | 121.1 | 78.2 |
Indomalay | 57 | 33 | 17 | 57.9 | 29.8 | 113.1 | 87.6 |
Neotropical | 120 | 35 | 15 | 29.2 | 12.5 | 104.6 | 41.2 |
